Vol.1: Microbial fundamentals Vol.2: Fundamentals of biochemical engineering Vol.3: Biomass, microorganisms for special applications, microbial products I, Energy from renewable resources Vol.4: Microbial products II Vol.5: Food and feed production with microorganisms Vol.6a: Biotransformations Vol.6b: Special microbial processes Vol.7a: Enzyme technology Vol.8: Microbial Degradations